The main databases used in systematic reviewing are:
| Database | Theasaurus used | Short instructions |
| Cambridge Scientific Abstracts contains various databases in the social sciences | various | Short instructions |
| FAME (Financial Analysis Made Easy) | FAME | |
| Global Market Information Database | GMID | Short instructions |
| HeinOnline | Hein | Hein's user guides |
| InfoTrac custom journals | InfoTrac | Short instructions |
| Key note | Key note | Short instructions |
| Lexis Library | Lexis | Lexis user guides |
| MINTEL | MINTEL | Short instructions |
| Proquest Central | Proquest | Proquest |
| PsycInfo (part of CSA) | PSycINFO | Short instructions |
| Web of Knowledge (Social science citation index) | KeyWords Plus | Short instructions |
| Westlaw | Westlaw | Westlaw tutorials |
If you are following a set search protocol, it may specify which databases you should search. There are many more databases available, you can consult our a-z listing or the subject guide for your area. If you are still unsure, consult your librarian.